Audience seat



J. H. ADAMSON AUDIENCE SEAT I Original Filed Deo. 14, 1932 JAMES H. ADAMSON. 4BYi L ATTORNEY Patented July 9, 1935 f5; :i

,. OFFICE Original application December 14, 1932, Serial No. 647,155. Divided and this application April 13,

1934, Serial No. 720,356

3 Claims. (Cl. 155-130) This invention relates to movable audience 'Ihe rubber casters like I0 will roll on the wall or seats and particularly one adapted for use in a channel mounted on the wall. gymnasia or other fully or partially enclosed In gymnasia or other places where such movspaces. able seats are used, the permanent obstruction of 5 It is the object of the present invention to procertain portions of a wall is sometimes objection- 5 vide an audience seat of the bleacher type which able. Those portions of the seats and footrests can be readily moved out ofthe way against the` l and 2 which would normally obstruct a door wall without the necessity of providing guides or the like are sawed out and, when required, on the wall, which is light and yet sturdy in conthe sawed-out portions are lled in with detachl struction, and the seats and footrests of which able seat and footrest sections like 50 (Figs. 2 4). 10 can be readily removed and locked against dis- In Order to permit quick and firm attachment placement, Y of the movable sections B, their secure locking This application is a division of serial No. in place and ready removabiity, the following 647,155, med December 14, 1932. arrangement is provided: In the drawing Fig. 1 is a side elevation of the An L-Shaped steel angle plate 5I is fastened 15 audience Seat; near the edge of the detachable section 50 by Fig. 2 is a perspective View of the connecting means of bolts 52. The shorter leg 53 of the and locking arrangement by means of which reangle piece 5| has an ear 54 projecting from it movable seat sections may be joined with the at Substantially right angles. This ear fits withpermanent sections; in a cut-out portion 55 in the vertical leg 56 of 20 Fig. 3 is a sectional view along line 3-3 of Fig. an angle piece 5l, fastened by means of bolts 2; and like 58 to the lower face of the seat l near the Fig. 4 is a sectional view along line 4-4 of SaWed-oii edge thereof. When the detachable Fig, 3 V section 50 is put in place with the ear passing Referring now Vto the drawing, l and 2 are through opening 55, it will engage a nose 59 of 25 wooden seats and footrests, respectively. There loeking bei 50 and Swing il? t0 the right (aS are as many seats as is required, and they are VieWed n Fig. 4) around i'fS DiVOil DOIlt 6| in the fastened to substantially C-shaped steel tubes 3, leg 56 0f the 10Wer angle piece 51. When the which in turn are riveted or Welded to steel tubes projection 54 reaches the bottom of the cut-out :lo 01- Stringers 1ike 4, The Stringer-s 4 are provided 55 and the leg 53 rests on the angle piece 51, the 30 in pairs and the number of Stringer pairs is delock 60 swings by its own weight back into the pendent on the length and seating capacity of vertical position, locking the detachable section the structure. The upper side of each pair of 55 against displacement. When it is desired to stringers 4 terminate in a pair of brackets like 5. remove the detachable section the lock 5i) is 3 5 Within the brackets 5 is rotatably mounted a swung by hand into the dotted line position (Fig. 35

rubber caster IU. In the open position of the 4), whereupon the section 5l] may be removed. bleacher thel caster rests on an arm II pivoted What 1 c1aimis; to the wall I4. 1. In an audience seat, a plurality of stringers,

The Swingers may be mOVed 11D and dGWIl by a plurality of seat and footrest members per- 40 means of rope 8 led over a pulley ll fastened to manently fastened to said stringers, a movable 40 the wall i4 and through other pulleys to balancseat section, an angle piece attached to the edge ing weights (not shown). Similarly, ropes are 0f Said seat section and having an ear projecting fastened to the other sets of stringers like 4. from One leg, a SeCOIld angie piece attached to a The lower ends of each pair of frame members permanently fastened Seat Section and having or stringers 4 terminate in casters like 34 resting an f pemngto ecelve Said eef, Sold ongle Pieces on the floor '5- filyiitg iggiied fmmfthe In the open position of the seat a rod 4l may 1 Ces are afs' be locked between the floor l5 and the bracket tened and mterttmg to prevent lateral dlS- lacement of ad'acent seat sections, an hOldiIig the Castel' to Insure Stablhty- When ivoted to said sfJecond angle piece and hvai'na; 50

this rod 47 and other Similar bars that may be locking nose projecting within said opening. Dlaed are TemOVed, the SiJIiIlgelS 4 may be 2. In an audience seat, a plurality of stringers, grasped neel' `the bracket 5 and mOVed upward a plurality of seat and footrest sections permauntil the seat assembly is in a position substannently fastened to said stringers, a removable tially parallel with the wall of the gymnasium. seat section, aiirst angle piece, means for attach- 55 ing said piece to the edge of said removable seat section, a second angle piece, means for attaching said second piece to a permanently fastened seat section, said second piece having an opening to receive an ear of said rst angle piece, said angle pieces having vertically projecting legs spaced from the seat sections to which the angle pieces are fastened and interfitting to prevent lateral displacement of adjacent seat sections, and a bar pivoted to one of said angle pieces for locking said ear Within said opening.

3. In an audience seat, xed and movable seat sections, each having an angle piece at their ad- 

